SC.912.L.14.1 Describe the scientific theory of cells (cell theory), and relate the history of its discovery to the process of science.
You need to know the cell theory and how continuous investigations and/or new scientific information influenced the development of cell theory.
You need to know how scientific claims are evaluated through scientific argumentation, critical and logical thinking and consideration of alternative explanations, in the context of cell theory.
You need to know the difference between theories and laws and be able to explain how a theory is developed.
Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory.
Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge?
A. All living things are made of cells.
B. All cells come from other preexisting cells.
C. Cells form through spontaneous generation.
D. Cells are the basic structural and functional units of life.
Which invention from the 17th century allowed for the development of modern cell theory?
A. X-rays
B. computers
C. the light microscope
D. the scanning electron microscope
To help patients replenish bodily fluids quickly during an illness, doctors need to understand
how cells behave in their environment. Doctors have confidence in what they know about how
cells behave because
A. cell theory has been tested, refined, and observed to be true over hundreds of years
B. large medical institutions have conducted their own experiments justifying cell theory
C. the basics of cell theory have not changed much since the original experiments
D. what we know about cell theory has been published in reputable journals
Answers
Correct answer: C. Cells form through spontaneous generation.
It was once believed that cells could form on their own. We now know that cells must form from preexisting cells.
Correct answer: C. Cells form through spontaneous generation.
It was once believed that cells could form on their own. We now know that cells must form from preexisting cells.
Correct answer: A. cell theory has been tested, refined, and observed to be true over hundreds of years